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In that level no io_priority_class-es exist. Instead, all the IO happens in the context of current sched-group. File API no longer accepts prio class argument (and makes io_intent arg mandatory to impls). So the change consists of - removing all usage of io_priority_class - patching file_impl's inheritants to updated API - priority manager goes away altogether - IO bandwidth update is performed on respective sched group - tune-up scylla-gdb.py io_queues command The first change is huge and was made semi-autimatically by: - grep io_priority_class | default_priority_class - remove all calls, found methods' args and class' fields Patching file_impl-s is smaller, but also mechanical: - replace io_priority_class& argument with io_intent* one - pass intent to lower file (if applicatble) Dropping the priority manager is: - git-rm .cc and .hh - sed out all the #include-s - fix configure.py and cmakefile The scylla-gdb.py update is a bit hairry -- it needs to use task queues list for IO classes names and shares, but to detect it should it checks for the "commitlog" group is present. Signed-off-by: Pavel Emelyanov <xemul@scylladb.com> Closes #13963
27 lines
467 B
C++
27 lines
467 B
C++
/*
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* Copyright (C) 2018-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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#include "sstables/writer_impl.hh"
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#include "sstables/types.hh"
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#include "encoding_stats.hh"
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namespace sstables {
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namespace mc {
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std::unique_ptr<sstable_writer::writer_impl> make_writer(sstable& sst,
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const schema& s,
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uint64_t estimated_partitions,
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const sstable_writer_config& cfg,
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encoding_stats enc_stats,
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shard_id shard);
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}
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}
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